A3 720 then EC 7673 at Lisbon
Athens → Lisbon → Boa Vista
Timetable, Lisbon time
11:05A3 720 from Athens at the gate
07:05EC 7673 to Boa Vista leaves the gate
20 h apart on the timetable, overnight
EC 7673 leaves 20 h after A3 720 arrives on the timetable: more than half a day, so not a connection we count.